<template>
    <el-row>
        <el-col :span="8">
            <el-card class="box-card" shadow="hover">
                <div class="user">
                    <img src="../assets/images/avart.jpg">
                    <div class="userinfo">
                        <p class="name">Admin</p>
                        <p class="root">超级管理员</p>
                    </div>
                </div>
                <div class="login-info">
                    <p>上次登录的时间:<span>2023-3-17</span></p>
                    <p>上次登录的地点:<span>武汉</span></p>
                </div>
            </el-card>
            <el-card class="box-card" style="margin-top: 20px;height: 400px;">
                <el-table :data="tableData" style="width: 100%">
                    <el-table-column v-for="(key, val) in tableLabel" :prop="val" :label="key" :key="key + ''">
                    </el-table-column>
                </el-table>
            </el-card>
        </el-col>
        <el-col :span="16">
            <div class="num">
                <el-card v-for="item in countData" :key="item.name + ''" :body-style="{ display: 'flex', padding: 0 }">
                    <i class="icon" :class="`el-icon-${item.icon}`" :style="{ background: item.color }"></i>
                    <div class="detail">
                        <p class="price">￥{{ item.value }}</p>
                        <p class="desc">{{ item.name }}</p>
                    </div>
                </el-card>
            </div>
            <el-card style="height: 280px;margin-left: 20px;">
                <!--折线图-->
                <div ref="echarts1" style="height: 280px;"></div>
            </el-card>
            <div class="graph">
                <el-card style="height: 200px;">
                    <div ref="echarts2" style="height: 200px;"></div>
                </el-card>
                <el-card style="height: 200px;">
                    <div ref="echarts3" style="height: 180px;"></div>
                </el-card>
            </div>
        </el-col>
    </el-row>
</template>


<script>
//这里可以导入其他文件（比如：组件，工具 js，第三方插件 js，json文件，图片文件等等）
//例如：import 《组件名称》 from '《组件路径》';
import { getData } from '../api'
//引入echarts
import * as echarts from 'echarts'
export default {
    //import 引入的组件需要注入到对象中才能使用
    components: {},
    props: {},
    data() {
        //这里存放数据
        return {
            tableData: [],
            tableLabel: {
                name: '课程',
                todayBuy: '今日购买',
                monthBuy: '本月购买',
                totalBuy: '总购买'
            },
            countData: [
                {
                    name: "今日支付订单",
                    value: 1234,
                    icon: "success",
                    color: "#2ec7c9",
                },
                {
                    name: "今日收藏订单",
                    value: 210,
                    icon: "star-on",
                    color: "#ffb980",
                },
                {
                    name: "今日未支付订单",
                    value: 1234,
                    icon: "s-goods",
                    color: "#5ab1ef",
                },
                {
                    name: "本月支付订单",
                    value: 1234,
                    icon: "success",
                    color: "#2ec7c9",
                },
                {
                    name: "本月收藏订单",
                    value: 210,
                    icon: "star-on",
                    color: "#ffb980",
                },
                {
                    name: "本月未支付订单",
                    value: 1234,
                    icon: "s-goods",
                    color: "#5ab1ef",
                },
            ],
        };
    },
    //计算属性 类似于 data 概念
    computed: {},
    //监控 data 中的数据变化
    watch: {},
    //方法集合
    methods: {

    },
    //生命周期 - 创建完成（可以访问当前 this 实例）
    created() {
        getData().then(({ data }) => {
            const { tableData } = data.data;
            this.tableData = tableData;
            //console.log(data);
        });
    },
    //生命周期 - 挂载完成（可以访问 DOM 元素）
    mounted() {
        getData().then(({ data }) => {
            const echarts1 = echarts.init(this.$refs.echarts1);
            //指定图表的配置项和数据
            var echarts1Option = {};
            //处理xAxis
            const { orderData, userData,videoData } = data.data;
            const xAxis = Object.keys(orderData.data[0]);
            echarts1Option.xAxis = {
                data: xAxis
            };
            //处理图例
            echarts1Option.legend = {
                data: xAxis
            }
            echarts1Option.yAxis = {
                data: []
            }
            echarts1Option.series = [];
            xAxis.forEach(key => {
                echarts1Option.series.push({
                    name: key,
                    data: orderData.data.map(item => item[key]),
                    type: 'line'
                })
            })
            //console.log(echarts1Option);
            //console.log(data.data);
            //根据配置显示图表
            echarts1.setOption(echarts1Option);
            //柱状图
            const echarts2 = echarts.init(this.$refs.echarts2);
            var echarts2Option = {
                legend: {
                    // 图例文字颜色
                    textStyle: {
                        color: "#333",
                    },
                },
                grid: {
                    left: "20%",
                },
                // 提示框
                tooltip: {
                    trigger: "axis",
                },
                xAxis: {
                    type: "category", // 类目轴
                    data: userData.map(item => item.date),
                    axisLine: {
                        lineStyle: {
                            color: "#17b3a3",
                        },
                    },
                    axisLabel: {
                        interval: 0,
                        color: "#333",
                    },
                },
                yAxis: [
                    {
                        type: "value",
                        axisLine: {
                            lineStyle: {
                                color: "#17b3a3",
                            },
                        },
                    },
                ],
                color: ["#2ec7c9", "#b6a2de"],
                series: [
                    {
                        name: '新增用户',
                        data: userData.map(item => item.new),
                        type: 'bar'
                    },
                    {
                        name: '活跃用户',
                        data: userData.map(item => item.active),
                        type: 'bar'
                    }
                ],
            };
            echarts2.setOption(echarts2Option);
            //饼状图
            const echarts3 = echarts.init(this.$refs.echarts3);
            var echarts3Option = {
                tooltip: {
                    trigger: "item",
                },
                color: [
                    "#0f78f4",
                    "#dd536b",
                    "#9462e5",
                    "#a6a6a6",
                    "#e1bb22",
                    "#39c362",
                    "#3ed1cf",
                ],
                series: [
                    {
                        data:videoData,
                        type:'pie'
                    }
                ]
            }
            echarts3.setOption(echarts3Option);
        });
    },
    beforeCreate() { }, //生命周期 - 创建之前
    beforeMount() { }, //生命周期 - 挂载之前
    beforeUpdate() { }, //生命周期 - 更新之前
    updated() { }, //生命周期 - 更新之后
    beforeDestroy() { }, //生命周期 - 销毁之前
    destroyed() { }, //生命周期 - 销毁完成
    activated() { }, //如果页面有 keep-alive 缓存功能，这个函数会触发
}
</script>
<style lang="less" scoped>
.user {
    display: flex;
    //纵轴
    align-items: center;
    margin-right: 40px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #ccc;

    img {
        width: 150px;
        height: 150px;
        border-radius: 50%;
    }

    .userinfo {
        .name {
            font-size: 32px;
            margin-bottom: 10px;
            margin-left: 30px;
        }

        .root {
            color: #999999;
            margin-left: 30px;
        }
    }
}

.login-info {
    p {
        line-height: 28px;
        font-size: 14px;
        color: #999999;

        span {
            margin-left: 60px;
        }
    }
}

.num {
    margin-left: 20px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;

    .icon {
        width: 80px;
        height: 80px;
        font-size: 30px;
        text-align: center;
        line-height: 80px;
        color: #fff;
    }

    .detail {
        display: flex;
        flex-direction: column; //主轴的显示方式(上下显示)
        justify-content: center;

        .price {
            font-size: 30px;
            margin-bottom: 10px;
            margin-left: 30px;
            line-height: 30px;
            height: 30px;
        }

        .desc {
            font-size: 14px;
            text-align: center;
            color: #999999;
            margin-left: 30px;
        }
    }

    .el-card {
        width: 32%;
        margin-bottom: 20px;
    }
}

.graph {
    margin-left: 20px;
    margin-top: 20px;
    display: flex;
    justify-content: space-between; //左右贴边

    .el-card {
        width: 48%;
    }
}
</style>